:root{color-scheme:dark;--bg:#0b1220;--panel:#121d2e;--line:#26364d;--text:#f4f7fb;--muted:#a7b4c6;--accent:#79a9ff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding:env(safe-area-inset-top) 14px env(safe-area-inset-bottom)}
.shell{max-width:720px;margin:0 auto;padding:28px 0 40px}header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin:8px 2px 24px}h1{font-size:34px;margin:4px 0}h2{font-size:19px;margin:0 0 12px}.eyebrow{font-size:10px;letter-spacing:1.4px;color:var(--accent);font-weight:700}.muted{color:var(--muted)}.small{font-size:13px;line-height:1.5}.pill{border:1px solid var(--line);border-radius:30px;padding:7px 10px;font-size:11px;color:var(--muted);white-space:nowrap}.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;margin:14px 0;box-shadow:0 8px 24px #0002}label{display:block;font-size:13px;color:var(--muted);margin:12px 0}input,textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--line);background:#0b1422;color:var(--text);border-radius:11px;padding:13px;font:inherit;font-size:16px}input[type=file]{font-size:13px}.check{display:flex;align-items:flex-start;gap:9px}.check input{width:auto;margin-top:2px}.actions{display:flex;flex-wrap:wrap;gap:8px}button{background:var(--accent);color:#07101e;border:0;border-radius:11px;padding:12px 15px;font-weight:700;font-size:14px;min-height:44px;cursor:pointer;margin-top:6px}.secondary{background:#26364d;color:var(--text)}button:disabled{opacity:.45}.status{font-size:12px;color:var(--muted);min-height:16px}.preview,.answer{white-space:pre-wrap;overflow-wrap:anywhere;background:#0b1422;border:1px solid var(--line);padding:12px;border-radius:11px;font-size:13px;line-height:1.5;max-height:240px;overflow:auto}.answer{min-height:75px}ol{padding-left:20px}footer{text-align:center;color:var(--muted);font-size:11px;padding:16px}